highgmat logic question

1.James’s grade point average puts him in the top third of the graduating class of college A.Nestor is in the rop tenth of the same class. Elizabeth has the same grade point average as Nestor. Nancy has a lower grade point average than Elizbeth.

If the information above is ture, which of the following must also be true?

A James has a higher grade point average than Elizabeth

B James has a higher grade point average than Nancy

CNestor has a higher grade point average than Nancy

D Elizabeth and Nancy both have a higher grade point average than James

E.Nestor and James both have a higher grade point average than Nancy

这里的reasoning line 是什么？ 我认为是 James > Nestor=Elizbeth >Nancy

这样的话，这几个选项都对的

C is the correct answer.

James: top one third. 前三分之一

Nestor = Elizabeth, top one tenth 前十分之一

Nancy < Elizabeth.